Home / 690,343.85-951,859.35-472,658.09

Finding the Fourth Proportional to 690,343.85, 951,859.35 and 472,658.09

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Solution

The fourth proportional to 690,343.85, 951,859.35 and 472,658.09 is: 651,710.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,343.85 : 951,859.35 = 472,658.09 : x
  2. Step 2: Convert to fraction form
    690,343.85/951,859.35 = 472,658.09/x
  3. Step 3: Cross multiply
    690,343.85x = 951,859.35 × 472,658.09
  4. Step 4: Simplify right side
    690,343.85x = 449,904,017,560.35
  5. Step 5: Solve for x
    x = 449,904,017,560.35/690,343.85
  6. Step 6: Final answer
    x = 651,710.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.